CVE-2023-52536 in SC7731E
Summary
by MITRE • 04/08/2024
In faceid service, there is a possible out of bounds read due to a missing bounds check. This could lead to local denial of service with System execution privileges needed
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Analysis
by VulDB Data Team • 11/27/2024
The vulnerability identified as CVE-2023-52536 resides within the faceid service component of a system, representing a critical out-of-bounds read condition that stems from insufficient input validation mechanisms. This flaw manifests when the service processes data without proper bounds checking, allowing an attacker to potentially access memory locations beyond the intended buffer boundaries. The vulnerability specifically affects systems where face recognition services are implemented, creating a potential attack surface that could be exploited by adversaries with local system execution privileges.
The technical implementation of this vulnerability aligns with CWE-129, which describes improper validation of array index values, and CWE-787, which addresses out-of-bounds write operations. The flaw occurs during the processing of facial recognition data where the faceid service fails to validate the size or range of input parameters before accessing memory locations. This missing bounds check creates a condition where malicious input could cause the service to read from unauthorized memory regions, potentially exposing sensitive information or causing system instability. The vulnerability requires local execution privileges to exploit, indicating that an attacker must already have access to the system to leverage this weakness.
From an operational perspective, the impact of CVE-2023-52536 constitutes a local denial of service condition that can severely disrupt system functionality. When exploited, the out-of-bounds read can cause the faceid service to crash or behave unpredictably, leading to complete service unavailability for legitimate users. The requirement for system execution privileges means that this vulnerability is not directly exploitable from remote networks, but represents a significant risk in environments where local access is possible, such as in compromised systems or insider threat scenarios. The potential for information disclosure exists if the out-of-bounds read accesses memory containing sensitive data, making this vulnerability particularly concerning for security-critical applications.
Mitigation strategies for CVE-2023-52536 should prioritize immediate patch deployment from vendors, as this vulnerability represents a clear security risk that could be leveraged to disrupt critical authentication services. System administrators should implement strict access controls to minimize local execution privileges and reduce the attack surface. The implementation of input validation mechanisms and bounds checking should be enforced throughout the faceid service codebase, following secure coding practices that prevent similar vulnerabilities from occurring in future implementations. Additionally, monitoring should be enhanced to detect unusual patterns in faceid service behavior that could indicate exploitation attempts, with security controls aligned with the ATT&CK framework's privilege escalation and defense evasion techniques. Organizations should also consider implementing runtime protections and memory corruption detection mechanisms to provide additional layers of defense against exploitation attempts targeting this type of vulnerability.